Production method of small-compression-ratio flaw detection steel plate on furnace coil production line

The invention discloses a production method of a small-compression-ratio flaw detection steel plate on a steckel production line, which relates to the technical field of ferrous metallurgy, and comprises the following steps: process equipment: assembling a continuous casting machine on the production line with secondary cooling zone roller type electromagnetic stirring and continuous casting billet dynamic soft reduction; the adjusting equipment is used for adjusting the mounting position, the stirring mode, the current for stirring, the stirring frequency and the like of the electromagnetic stirrer, adjusting the position and the reduction rate of dynamic soft reduction, and exerting the metallurgical functions of electromagnetic stirring and dynamic soft reduction; according to the method for improving the flaw detection qualification rate of the small-compression-ratio steel plate on the steckel mill production line, the functions of electromagnetic stirring and dynamic soft reduction of a secondary coolin